WATCH: Can Three Days Make A Difference For Homeless Veterans?

On Sunday, 60 Minutes reported on a visit to San Diego, where a yearly "Stand Down" event for homeless veterans is designed to change lives in just three days.

A skeptical Scott Pelley found that while the event's clean, safe and empathetic environment can't fix the problems homeless veterans face, the event serves as a "ceasefire" to show vets that they aren't alone.